大约有 25,000 项符合查询结果（耗时：0.0377秒） [XML]
Make .git directory web inaccessible
...e a .htaccess file in the .git folder and put the following in this file:
Order allow,deny
Deny from all
But note, that it would be lost if you ever re-cloned the repository
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Scala @ operator
...n itself? That would be accomplished with this:
o match {
case x @ Some(_) => println(x)
case None =>
}
Note that @ can be used at any level, not just at the top level of the matching.
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...STINCT(*)", :conditions => ["date > #{self.date}"], :limit => 1, :order => 'date', :group => "date").show_generated_sql and have this call the construct_finder_sql method.
– rswolff
Aug 28 '09 at 17:02
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Find MongoDB records where array field is not empty
...unexpected results. For example: db.doc.find({'nums': { $gt: [] }}).hint({ _id: 1 }).count() returns the right number, while db.doc.find({'nums': { $gt: [] }}).hint({ nums: 1 }).count() returns 0.
– wojcikstefan
Mar 4 '17 at 17:51
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How to change a table name using an SQL query?
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Use sp_rename:
EXEC sp_rename 'Stu_Table', 'Stu_Table_10'
You can find documentation on this procedure on MSDN.
If you need to include a schema name, this can only be included in the first parameter (that is, this cannot be use...
Flatten an irregular list of lists
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it's a pre-order traversal of the tree formed by the nested lists. only the leaves are returned. Note that this implementation will consume the original data structure, for better or worse. Could be fun to write one that both preserv...
Check if UIColor is dark or bright?
...of the colour components, including the alpha. The docs don't specify what order they're in but I assume it would be red, green, blue, alpha. Also, from the docs, "the size of the array is one more than the number of components of the color space for the color." - it doesn't say why...
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awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
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React.js: onChange event for contentEditable
...tChange}
contentEditable
dangerouslySetInnerHTML={{__html: this.props.html}}></div>;
},
shouldComponentUpdate: function(nextProps){
return nextProps.html !== this.getDOMNode().innerHTML;
},
emitChange: function(){
var html = this.getDO...
TypeScript Objects as Dictionary types as in C#
...;
// Get Map size:
people.size;
// Extract keys into array (in insertion order):
let keys = Array.from(people.keys());
// Extract values into array (in insertion order):
let values = Array.from(people.values());
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